linux-kernel - Re: [PATCH v3 1/2] printk: Add function to dump printk buffer directly to consoles

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Date: Thu, 18 Jan 2024 11:20:54 +0106
From: John Ogness <john.ogness@...utronix.de>
To: Sreenath Vijayan <sreenath.vijayan@...y.com>, corbet@....net,
 gregkh@...uxfoundation.org, jirislaby@...nel.org, rdunlap@...radead.org,
 pmladek@...e.com
Cc: rostedt@...dmis.org, senozhatsky@...omium.org,
 linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-serial@...r.kernel.org, taichi.shimoyashiki@...y.com,
 daniel.palmer@...y.com, anandakumar.balasubramaniam@...y.com,
 sreenath.vijayan@...y.com
Subject: Re: [PATCH v3 1/2] printk: Add function to dump printk buffer
 directly to consoles

Oops, for the current mainline code it is actually even simpler because
the console_unlock() will perform the flushing:

void dump_printk_buffer(void)
{
 	console_lock();
 	console_rewind_all();
 	console_unlock();
}

John